<!-- [className|iconName] -->
<template name="messages_header_button">
  <button type="button" class="icon-btn {{className}}">
    <i class="material-icons">{{iconName}}</i>
  </button>
</template>

<template name="messages_header_close_button">
  <button type="button" class="icon-btn close" data-dismiss="modal">
    <i class="material-icons">close</i>
  </button>
</template>

<!-- [className|placement|tooltipTitle|iconName] -->
<template name="messages_header_tooltip_button">
  <button type="button" class="icon-btn tooltip-btn {{className}}" data-toggle="tooltip" data-placement="{{placement}}" title="{{tooltipTitle}}">
    <i class="material-icons">{{iconName}}</i>
  </button>
</template>